diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f2ab72caf..a28d5d650 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,6 +1,6 @@
-export PIKA_PACKAGE_VERSION="0.18.2-2"
-export PIKA_PACKAGE_NAME="openjph"
+export PIKA_PACKAGE_VERSION="1.0.5-1"
+export PIKA_PACKAGE_NAME="ocaml-x509"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
-export PIKA_REBUILD_VERSION="b0"
-export PIKA_BUILD_ATTEMPT="0"
\ No newline at end of file
+export PIKA_REBUILD_VERSION="b3"
+export PIKA_BUILD_ATTEMPT="3"
\ No newline at end of file